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Finding the Fourth Proportional to 535.28, 802.08 and 352.27

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Solution

The fourth proportional to 535.28, 802.08 and 352.27 is: 527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.28 : 802.08 = 352.27 : x
  2. Step 2: Convert to fraction form
    535.28/802.08 = 352.27/x
  3. Step 3: Cross multiply
    535.28x = 802.08 × 352.27
  4. Step 4: Simplify right side
    535.28x = 282,548.72
  5. Step 5: Solve for x
    x = 282,548.72/535.28
  6. Step 6: Final answer
    x = 527.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.